GrecellGRECELL T300S
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- Strong Cost Per Wh: 0.41
- Strong Ac Wave Quality: Pure Sine Wave
- Strong Ac Charge Speed: 45
- Strong Weight: 4.63
- Strong Fast Charging: Yes
- Low Ac Power Surge: 600
- Low Max Solar Input: 45
- Low Energy Density Wh Per Kg: 49.8
- Low Portable: Portable
- Low Expandable Capacity: No
Pick an activity to see how long GRECELL T300S powers a typical loadout.
Runtimes are estimates. Fridges, AC units, humidifiers and similar devices are modeled with realistic duty cycles so numbers reflect average draw, not peak wattage.
Budget Camping runtime estimates
- Phone Charger (20W): 9.8 hours
- LED Lantern (10W): 19.6 hours
- Portable Fan (40W): 4.9 hours
- Laptop (65W): 3.0 hours
- Mini Fridge (60W): 9.3 hours
Photography & Video runtime estimates
- Camera Battery Charger (30W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- Drone Charger (70W): 2.8 hours
- Laptop (65W): 3.0 hours
- 27" Monitor (40W): 4.9 hours
Job Sites runtime estimates
- Circular Saw (1800W): 0.1 hours
- Corded Drill (700W): 0.3 hours
- Air Compressor (1000W): 0.5 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Outdoor Events runtime estimates
- PA Speaker (150W): 1.3 hours
- Stage Light (200W): 1.0 hours
- LED Light Panel (100W): 2.0 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Overlanding runtime estimates
- Mini Fridge (60W): 9.3 hours
- LED Light Panel (100W): 2.0 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
- 12V Water Pump (100W): 6.5 hours
Boats & Marine runtime estimates
- Fish Finder (5W): 39.2 hours
- Mini Fridge (60W): 9.3 hours
- LED Lantern (10W): 19.6 hours
- Phone Charger (20W): 9.8 hours
- 12V Water Pump (100W): 6.5 hours
Tailgating runtime estimates
- 55" TV (120W): 1.6 hours
- PA Speaker (150W): 1.3 hours
- Mini Fridge (60W): 9.3 hours
- Blender (500W): 0.4 hours
- Phone Charger (20W): 9.8 hours
Ice Fishing runtime estimates
- Electric Ice Auger (500W): 0.4 hours
- Fish Finder (5W): 39.2 hours
- Space Heater (750W): 0.4 hours
- Phone Charger (20W): 9.8 hours
- LED Lantern (10W): 19.6 hours
Camping runtime estimates
- Mini Fridge (60W): 9.3 hours
- LED Lantern (10W): 19.6 hours
- Portable Fan (40W): 4.9 hours
- Phone Charger (20W): 9.8 hours
- Laptop (65W): 3.0 hours
CPAP & Medical runtime estimates
- CPAP Machine (40W): 5.4 hours
- Humidifier (30W): 16.3 hours
- Nebulizer (100W): 2.0 hours
- Oxygen Concentrator (350W): 0.6 hours
- Phone Charger (20W): 9.8 hours
Remote Work runtime estimates
- Laptop (65W): 3.0 hours
- 27" Monitor (40W): 4.9 hours
- Router + Modem (30W): 6.5 hours
- Phone Charger (20W): 9.8 hours
- Desk Lamp (10W): 19.6 hours
RV Life runtime estimates
- Mini Fridge (60W): 9.3 hours
- 55" TV (120W): 1.6 hours
- Laptop (65W): 3.0 hours
- 12V Water Pump (100W): 6.5 hours
- Coffee Maker (800W): 0.2 hours
Apartment Dweller runtime estimates
- Router + Modem (30W): 6.5 hours
- Laptop (65W): 3.0 hours
- 55" TV (120W): 1.6 hours
- Phone Charger (20W): 9.8 hours
- Mini Fridge (60W): 9.3 hours
Van Life runtime estimates
- Mini Fridge (60W): 9.3 hours
- 12V Water Pump (100W): 6.5 hours
- LED Lantern (10W): 19.6 hours
- Laptop (65W): 3.0 hours
- Portable Fan (40W): 4.9 hours
Solar Setup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Laptop (65W): 3.0 hours
- 12V Water Pump (100W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- 55" TV (120W): 1.6 hours
Emergency Preparedness runtime estimates
- Mini Fridge (60W): 9.3 hours
- CPAP Machine (40W): 5.4 hours
- Router + Modem (30W): 6.5 hours
- LED Light Panel (100W): 2.0 hours
- Phone Charger (20W): 9.8 hours
Food Trucks runtime estimates
- Induction Cooktop (1800W): 0.1 hours
- Blender (500W): 0.4 hours
- Portable Freezer (120W): 4.7 hours
- Coffee Maker (800W): 0.2 hours
- LED Light Panel (100W): 2.0 hours
Home Backup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Router + Modem (30W): 6.5 hours
- 55" TV (120W): 1.6 hours
- Laptop (65W): 3.0 hours
- Phone Charger (20W): 9.8 hours
Off-Grid Living runtime estimates
- Mini Fridge (60W): 9.3 hours
- Laptop (65W): 3.0 hours
- LED Light Panel (100W): 2.0 hours
- 12V Water Pump (100W): 6.5 hours
- Induction Cooktop (1800W): 0.1 hours
Whole Home Backup runtime estimates
- Mini Fridge (60W): 9.3 hours
- Portable Freezer (120W): 4.7 hours
- Router + Modem (30W): 6.5 hours
- 55" TV (120W): 1.6 hours
- Space Heater (750W): 0.4 hours
GRECELL T300S scores 41.7 out of 100 in the AGB database, placing it #181 of 194 portable power stations we track. That earns a C grade in our 0-100 composite, which weighs 45 feature axes from capacity and AC output to charging speed, noise, and warranty. Strengths: Strong Cost Per Wh: 0.41; Strong Ac Wave Quality: Pure Sine Wave. Trade-offs: Low Ac Power Surge: 600; Low Max Solar Input: 45. Read the full Grecell GRECELL T300S breakdown on AGB for per-feature scores, pricing across Amazon, Walmart and the Grecell store, and head-to-head comparisons with the products it's most often cross-shopped against.
Charging
DC Power
Physical
Battery
AC Power
Advanced Features
Connectivity
Side‑by‑side specs vs 3 similar models in the same capacity and price range.
| Spec | |  |  |  |
|---|---|---|---|---|
| 41.8 | 66.1 | 56.8 | 54.9 | |
| 231 Wh | 256 Wh | 288 Wh | 192 Wh | |
| 330 W | 600 W | 300 W | — | |
| 4.6 kg · 10.2 lbs | 3.7 kg · 8.2 lbs | 4 kg · 8.8 lbs | 1.9 kg · 4.2 lbs | |
| — | 3,500 | — | 3,000 | |
| — | 20 ms | — | — | |
| 45 W | 240 W | 100 W | 100 W | |
| $95 | $129 | $111 | $120 | |
| $0.41/Wh | $0.50/Wh | $0.39/Wh | $0.62/Wh |
Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.
How long does the GRECELL T300S run a phone charger for budget camping?
About 9.8 hours at a steady 20W draw.
How long does the GRECELL T300S run a led lantern for budget camping?
About 19.6 hours at a steady 10W draw.
How long does the GRECELL T300S run a camera battery charger for photography & video?
About 6.5 hours at a steady 30W draw.
How long does the GRECELL T300S run a led light panel for photography & video?
About 2.0 hours at a steady 100W draw.
How long does the GRECELL T300S run a circular saw for job sites?
About 0.1 hours at a steady 1800W draw.
How long does the GRECELL T300S run a corded drill for job sites?
About 0.3 hours at a steady 700W draw.
How long does the GRECELL T300S run a pa speaker for outdoor events?
About 1.3 hours at a steady 150W draw.
How long does the GRECELL T300S run a stage light for outdoor events?
About 1.0 hours at a steady 200W draw.
How long does the GRECELL T300S run a mini fridge for overlanding?
About 9.3 hours on a 60W mini fridge (modeled at a 35% duty cycle).
How long does the GRECELL T300S run a led light panel for overlanding?
About 2.0 hours at a steady 100W draw.